Question

For a given material youngs modulus is 2.4 times that of modulus of rigidity. It's poisson's ratio is​

Answer 1

Answer:

Y=2η(1+σ)

But Y=2.4η

∴2.4η=2η(1+σ)

(1+σ)=1.2

σ=0.2

Hence,

option (A) is correct answer.